Oven



FIG. 1 is a perspective view of an oven, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines are shown for the purpose of illustrating both parts of the article as well as boundaries of the claim. None of the broken lines form part of the claim. 

CLAIM The ornamental design for an oven, as shown and described. 